* qatar/master:
  lavr: add x86-optimized functions for mixing 1-to-2 s16p with flt coeffs
  lavr: add x86-optimized functions for mixing 1-to-2 fltp with flt coeffs
  Add Dolby/DPLII downmix support to libavresample
  vorbisdec: replace div/mod in loop with a counter
  fate: vorbis: add 5.1 surround test
  rtpenc: Allow requesting H264 RTP packetization mode 0
  configure: Sort the library listings in the help text alphabetically
  dwt: remove variable-length arrays
  RTMPT protocol support
  http: Properly handle chunked transfer-encoding for replies to post data
  http: Fail reading if the connection has gone away
  amr: Mark an array const
  amr: More space cleanup
  rtpenc: Fix memory leaks in the muxer open function

Conflicts:
	Changelog
	configure
	doc/APIchanges
	libavformat/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>